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@nvourva
Last active October 16, 2022 04:42
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<?php
/*
Plugin Name: CI Comment Rating
Description: Adds a star rating system to WordPress comments
Version: 1.0.0
Author: The CSSIgniter Team
Author URI: https://cssigniter.com/
*/
//Enqueue the plugin's styles.
add_action( 'wp_enqueue_scripts', 'ci_comment_rating_styles' );
function ci_comment_rating_styles() {
wp_register_style( 'ci-comment-rating-styles', plugins_url( '/', __FILE__ ) . 'assets/style.css' );
wp_enqueue_style( 'dashicons' );
wp_enqueue_style( 'ci-comment-rating-styles' );
}
//Create the rating interface.
add_action( 'comment_form_logged_in_after', 'ci_comment_rating_rating_field' );
add_action( 'comment_form_after_fields', 'ci_comment_rating_rating_field' );
function ci_comment_rating_rating_field () {
?>
<label for="rating">Rating<span class="required">*</span></label>
<fieldset class="comments-rating">
<span class="rating-container">
<?php for ( $i = 5; $i >= 1; $i-- ) : ?>
<input type="radio" id="rating-<?php echo esc_attr( $i ); ?>" name="rating" value="<?php echo esc_attr( $i ); ?>" /><label for="rating-<?php echo esc_attr( $i ); ?>"><?php echo esc_html( $i ); ?></label>
<?php endfor; ?>
<input type="radio" id="rating-0" class="star-cb-clear" name="rating" value="0" /><label for="rating-0">0</label>
</span>
</fieldset>
<?php
}
//Save the rating submitted by the user.
add_action( 'comment_post', 'ci_comment_rating_save_comment_rating' );
function ci_comment_rating_save_comment_rating( $comment_id ) {
if ( ( isset( $_POST['rating'] ) ) && ( '' !== $_POST['rating'] ) )
$rating = intval( $_POST['rating'] );
add_comment_meta( $comment_id, 'rating', $rating );
}
//Make the rating required.
add_filter( 'preprocess_comment', 'ci_comment_rating_require_rating' );
function ci_comment_rating_require_rating( $commentdata ) {
if ( ! isset( $_POST['rating'] ) || 0 === intval( $_POST['rating'] ) )
wp_die( __( 'Error: You did not add a rating. Hit the Back button on your Web browser and resubmit your comment with a rating.' ) );
return $commentdata;
}
//Display the rating on a submitted comment.
add_filter( 'comment_text', 'ci_comment_rating_display_rating');
function ci_comment_rating_display_rating( $comment_text ){
if ( $rating = get_comment_meta( get_comment_ID(), 'rating', true ) ) {
$stars = '<p class="stars">';
for ( $i = 1; $i <= $rating; $i++ ) {
$stars .= '<span class="dashicons dashicons-star-filled"></span>';
}
$stars .= '</p>';
$comment_text = $comment_text . $stars;
return $comment_text;
} else {
return $comment_text;
}
}
// Collect post dating data.
function ci_comment_rating_get_ratings_data( $id ) {
$comments = get_approved_comments( $id );
if ( $comments ) {
$i = 0;
$total = 0;
foreach( $comments as $comment ){
$rate = get_comment_meta( $comment->comment_ID, 'rating', true );
if( isset( $rate ) && '' !== $rate ) {
$i++;
$total += $rate;
}
}
if ( 0 === $i ) {
return false;
} else {
return $rating_data = array(
'reviews' => $i,
'total' => $total,
);
}
} else {
return false;
}
}
//Display the average rating above the content.
add_filter( 'the_content', 'ci_comment_rating_display_average_rating' );
function ci_comment_rating_display_average_rating( $content ) {
global $post;
if ( false === ci_comment_rating_get_ratings_data( $post->ID ) ) {
return $content;
}
$stars = '';
$rating_data = ci_comment_rating_get_ratings_data( $post->ID );
$average = round( $rating_data['total'] / $rating_data['reviews'], 1 );;
for ( $i = 1; $i <= $average + 1; $i++ ) {
$width = intval( $i - $average > 0 ? 20 - ( ( $i - $average ) * 20 ) : 20 );
if ( 0 === $width ) {
continue;
}
$stars .= '<span style="overflow:hidden; width:' . $width . 'px" class="dashicons dashicons-star-filled"></span>';
if ( $i - $average > 0 ) {
$stars .= '<span style="overflow:hidden; position:relative; left:-' . $width .'px;" class="dashicons dashicons-star-empty"></span>';
}
}
$custom_content = '<p class="average-rating">This post\'s average rating is: ' . $average .' ' . $stars .' calculated from '. $rating_data['reviews'] .' reviews.</p>';
$custom_content .= $content;
return $custom_content;
}
@kajiacharya
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How to display the average rating custom place.

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